243241025233 has 2 divisors, whose sum is σ = 243241025234. Its totient is φ = 243241025232.

The previous prime is 243241025117. The next prime is 243241025257. The reversal of 243241025233 is 332520142342.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125690102784 + 117550922449 = 354528^2 + 342857^2 .

It is a cyclic number.

It is not a de Polignac number, because 243241025233 - 2¹⁷ = 243240894161 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 243241025195 and 243241025204.

It is not a weakly prime, because it can be changed into another prime (243241025633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121620512616 + 121620512617.

It is an arithmetic number, because the mean of its divisors is an integer number (121620512617).

Almost surely, 2^243241025233 is an apocalyptic number.

It is an amenable number.

243241025233 is a deficient number, since it is larger than the sum of its proper divisors (1).

243241025233 is an equidigital number, since it uses as much as digits as its factorization.

243241025233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 31.

Adding to 243241025233 its reverse (332520142342), we get a palindrome (575761167575).

The spelling of 243241025233 in words is "two hundred forty-three billion, two hundred forty-one million, twenty-five thousand, two hundred thirty-three".